他回来时皱眉蹙额,板着脸,嘴上却快活地吹着口哨.He returned frowning, his face obstinate but whistling jauntily.檐壁上横梁中在框掾和''.'额'.''''.'板'. ''之间简易或有装饰的水平部位.A plain or decorated horizont...
This diode produces about nine times more radiant power than that one.这只二级管的耗散功率比那只大8倍.A diode used in this manner is called a rectifier.按这种方式使用的二极管叫做整流管.The diode is used routinely in many kinds of electronic circuits.二...
Some employers reneged on agreements once the recession set in.经济一衰退,有些雇主就违背了协议.The management agreed to raise the workers'pay, but they reneged on their word.资方同意提高工人工资, 但他们却违背了诺言.Both had reneged on paying off the...